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Merged
bellenot merged 14 commits into from
Jul 27, 2017
Merged

webgui: implement sync and async methods with optional callbacks #818

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a1225ab
webgui: introduce modified counter in ROOT7 TCanvas
linev Jul 26, 2017
7f2c904
webgui: introduce sync and async mode for TCanvas::Update()
linev Jul 26, 2017
ccfbdd1
webgui: let specify place where canvas should be shown
linev Jul 26, 2017
2e4a712
webgui: let specify $url as parameter in can->Show() method
linev Jul 26, 2017
b06b3b6
webgui: modify canvas when new item add to the canvas
linev Jul 27, 2017
6471187
webgui: let submit several commands in the queue
linev Jul 27, 2017
7a6c766
webgui: implement sync and async mode for Canvas::SaveAs() method
linev Jul 27, 2017
c820d27
webgui: provide callback argument for Canvas::SaveAs method
linev Jul 27, 2017
9dbcdbb
webgui: let specify callback in Canvas::Update() call
linev Jul 27, 2017
3a63467
webgui: improve CEF messaging close
linev Jul 27, 2017
be77577
webgui: try to cancel all updates and commands when connection closing
linev Jul 27, 2017
ae128e4
webgui: clang-format
linev Jul 27, 2017
4024dfc
webgui: unblock polling loop around command execution
linev Jul 27, 2017
b45412c
jsroot: support new command protocol with web canvas
linev Jul 27, 2017
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webgui: clang-format
  • Loading branch information
@linev
linev committed Jul 27, 2017
commit ae128e4a0b5b239ad4218b54111e03b4f24889b7
6 changes: 4 additions & 2 deletions gui/canvaspainter/v7/cef/base_handler.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,8 @@ class TCefWSEngine : public THttpWSEngine {

virtual ~TCefWSEngine()
{
if (fCallback) fCallback->Failure(0, "close");
if (fCallback)
fCallback->Failure(0, "close");
}

virtual UInt_t GetId() const
Expand All @@ -68,7 +69,8 @@ class TCefWSEngine : public THttpWSEngine {
virtual void SendCharStar(const char *buf)
{
// printf("CEF sends message to client %d\n", strlen(buf));
if (fCallback) fCallback->Success(buf); // send next message to JS
if (fCallback)
fCallback->Success(buf); // send next message to JS
}

virtual Bool_t PreviewData(THttpCallArg *arg)
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10 changes: 7 additions & 3 deletions tutorials/v7/draw_v6.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -41,14 +41,18 @@ void draw_v6()
// canvas->Show("firefox"); // it could be firefox, opera, chromium; canvas can be shown several times

// synchronous, wait until painting is finished
canvas->Update(false, [](bool res) { std::cout << "First Update done = " << (res ? "true" : "false") << std::endl; });
canvas->Update(false,
[](bool res) { std::cout << "First Update done = " << (res ? "true" : "false") << std::endl; });

// call again, should return immediately
canvas->Update(false, [](bool res) { std::cout << "Second Update done = " << (res ? "true" : "false") << std::endl; });
canvas->Update(false,
[](bool res) { std::cout << "Second Update done = " << (res ? "true" : "false") << std::endl; });

// request to create PNG file in asynchronous mode and specify lambda function as callback
// when request processed by the client, callback called with result value
canvas->SaveAs("draw.png", true, [](bool res) { std::cout << "Producing PNG done res = " << (res ? "true" : "false") << std::endl; }); // asynchronous
canvas->SaveAs("draw.png", true, [](bool res) {
std::cout << "Producing PNG done res = " << (res ? "true" : "false") << std::endl;
}); // asynchronous

// this function executed in synchronous mode (async = false is default),
// mean previous file saving will be completed as well at this point
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